FI73020C - Foerfarande foer delignifiering/blekning av cellulosamassa. - Google Patents
Foerfarande foer delignifiering/blekning av cellulosamassa. Download PDFInfo
- Publication number
- FI73020C FI73020C FI813733A FI813733A FI73020C FI 73020 C FI73020 C FI 73020C FI 813733 A FI813733 A FI 813733A FI 813733 A FI813733 A FI 813733A FI 73020 C FI73020 C FI 73020C
- Authority
- FI
- Finland
- Prior art keywords
- chlorine
- pulp
- bleaching
- liquid
- chlorine dioxide
- Prior art date
Links
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 142
- 238000004061 bleaching Methods 0.000 claims description 104
- 239000000460 chlorine Substances 0.000 claims description 100
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 99
- 229910052801 chlorine Inorganic materials 0.000 claims description 97
- 239000007788 liquid Substances 0.000 claims description 84
- 239000004155 Chlorine dioxide Substances 0.000 claims description 71
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 71
- 229920002678 cellulose Polymers 0.000 claims description 46
- 239000001913 cellulose Substances 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 26
- 229920005610 lignin Polymers 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims 1
- 239000000725 suspension Substances 0.000 description 27
- 239000000126 substance Substances 0.000 description 23
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- 238000002474 experimental method Methods 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 238000012360 testing method Methods 0.000 description 13
- 239000000243 solution Substances 0.000 description 11
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 238000005406 washing Methods 0.000 description 9
- 238000002156 mixing Methods 0.000 description 8
- 239000007844 bleaching agent Substances 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 5
- 229910021653 sulphate ion Inorganic materials 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 229910001902 chlorine oxide Inorganic materials 0.000 description 3
- 125000001309 chloro group Chemical group Cl* 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 3
- 235000018185 Betula X alpestris Nutrition 0.000 description 2
- 235000018212 Betula X uliginosa Nutrition 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 2
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical group ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- 239000003440 toxic substance Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 241000609240 Ambelania acida Species 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 241000218657 Picea Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- MYENLIKUFDIYQN-UHFFFAOYSA-N ac1l1wf1 Chemical compound O.[O]Cl=O MYENLIKUFDIYQN-UHFFFAOYSA-N 0.000 description 1
- 239000010905 bagasse Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000000837 carbohydrate group Chemical group 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- MAYPHUUCLRDEAZ-UHFFFAOYSA-N chlorine peroxide Inorganic materials ClOOCl MAYPHUUCLRDEAZ-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012978 lignocellulosic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 150000004045 organic chlorine compounds Chemical class 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S162/00—Paper making and fiber liberation
- Y10S162/08—Chlorine-containing liquid regeneration
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8008337A SE442881B (sv) | 1980-11-27 | 1980-11-27 | Forfarande for delignifiering/blekning av cellulosamassa med klordioxid |
| SE8008337 | 1980-11-27 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI813733L FI813733L (fi) | 1982-05-28 |
| FI73020B FI73020B (fi) | 1987-04-30 |
| FI73020C true FI73020C (fi) | 1987-08-10 |
Family
ID=20342345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI813733A FI73020C (fi) | 1980-11-27 | 1981-11-23 | Foerfarande foer delignifiering/blekning av cellulosamassa. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4537656A (en, 2012) |
| JP (1) | JPS57121691A (en, 2012) |
| CA (1) | CA1147909A (en, 2012) |
| FI (1) | FI73020C (en, 2012) |
| NO (1) | NO156906C (en, 2012) |
| SE (1) | SE442881B (en, 2012) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4662993A (en) * | 1983-08-15 | 1987-05-05 | Westvaco Corporation | Bleach system for dissolving chlorine gas into a bleach filtrate |
| JPH01151991A (ja) * | 1987-12-07 | 1989-06-14 | Oji Paper Co Ltd | 悪臭ドレーンの脱臭方法 |
| JP2528727Y2 (ja) * | 1990-12-18 | 1997-03-12 | 未来工業株式会社 | 管、ケーブル等の支持装置 |
| JP2812056B2 (ja) * | 1992-03-30 | 1998-10-15 | 王子製紙株式会社 | リグノセルロース物質の漂白方法 |
| US6315863B1 (en) * | 1998-06-18 | 2001-11-13 | Weyerhaeuser Company | Chlorine dioxide pulp bleaching process having reduced barium scaling by recycling post-chlorination waste filtrate |
| US20070133346A1 (en) * | 2005-12-14 | 2007-06-14 | Tommy Jacobson | Mixing of chemicals into a thin stock pipe |
| WO2007137127A2 (en) * | 2006-05-19 | 2007-11-29 | The Research Foundation Of State University Of New York | Methods for carbonate pretreatment and pulping of cellulosic material |
| US8303767B2 (en) * | 2008-03-18 | 2012-11-06 | The Research Foundation Of State University Of New York | Methods of pretreating comminuted cellulosic material with carbonate-containing solutions |
-
1980
- 1980-11-27 SE SE8008337A patent/SE442881B/sv not_active IP Right Cessation
-
1981
- 1981-11-23 FI FI813733A patent/FI73020C/fi not_active IP Right Cessation
- 1981-11-25 CA CA000390852A patent/CA1147909A/en not_active Expired
- 1981-11-26 NO NO814025A patent/NO156906C/no unknown
- 1981-11-26 JP JP56190473A patent/JPS57121691A/ja active Granted
-
1983
- 1983-12-01 US US06/557,385 patent/US4537656A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA1147909A (en) | 1983-06-14 |
| NO814025L (no) | 1982-05-28 |
| SE442881B (sv) | 1986-02-03 |
| NO156906B (no) | 1987-09-07 |
| NO156906C (no) | 1987-12-16 |
| SE8008337L (sv) | 1982-05-28 |
| US4537656A (en) | 1985-08-27 |
| FI813733L (fi) | 1982-05-28 |
| JPS6262200B2 (en, 2012) | 1987-12-25 |
| JPS57121691A (en) | 1982-07-29 |
| FI73020B (fi) | 1987-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI67895B (fi) | Blekning av lignocellulosamaterial med peroxidhaltiga blekmedel | |
| FI59273B (fi) | Foerfarande foer blekning av cellulosamassa | |
| FI73750B (fi) | Saett vid blekning av lignocellulosahaltigt material. | |
| US4155806A (en) | Method for continuous alkaline delignification of lignocellulose material in two or more steps, the final of which with oxygen | |
| FI67242B (fi) | Saett att avlaegsna lignin fraon oblekt kemisk pappersmassa | |
| FI73020C (fi) | Foerfarande foer delignifiering/blekning av cellulosamassa. | |
| EP0056263A1 (en) | A method for improving the washing of cellulose pulps produced from lignocellulosic material | |
| US4560437A (en) | Process for delignification of chemical wood pulp using sodium sulphite or bisulphite prior to oxygen-alkali treatment | |
| US4406735A (en) | Process for alkaline oxygen gas bleaching of cellulose pulp | |
| JPH0314687A (ja) | 過酸化水素を補給した酸素脱リグニン化法 | |
| US20050087315A1 (en) | Low consistency oxygen delignification process | |
| KR100538083B1 (ko) | 리그노셀룰로오스성 물질의 산소 탈리그닌화 | |
| WO1995032331A1 (en) | Sulphidic impregnation of chips for alkaline pulping | |
| FI74054B (fi) | Saett vid blekning av cellulosahaltigt material. | |
| FI73019B (fi) | Foerfarande foer delignifiering/blekning av cellulosamassa. | |
| JPH0726350B2 (ja) | パルプの高脱リグニン選択性を得る方法 | |
| US3992250A (en) | Method for bleaching of high consistency cellulosic pulp | |
| EP1278909A1 (en) | A method for controlling the delignification and bleaching of a pulp suspension | |
| EP0091457B1 (en) | A method of polysulphide treatment in alkaline pulping of lignocellulose material | |
| CA1246304A (en) | Process and apparatus for bleaching of pulp | |
| FI68683B (fi) | Saett att behandla lignocellulosahaltigt material | |
| Hart et al. | Competing/parallel reaction of chlorine and chlorine dioxide during kraft pulp bleaching | |
| FI122951B (fi) | Menetelmä ja laitteisto selluloosamassan valmistamiseksi | |
| JPH10251986A (ja) | 漂白パルプの製造方法 | |
| JP2004019073A (ja) | アルカリパルプの漂白方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed | ||
| MM | Patent lapsed |
Owner name: MO OCH DOMSJOE AKTIEBOLAG |